Details Younger, firmer-looking skin is within reach with the hydrating formula of Olay Regenerist Regenerating Serum. With a fast penetrating formula, this silky, ultra-lightweight moisturizing face serum regenerates surface cells while restoring skin's elasticity with plumping hydration. With advanced Amino-Peptide Complex, this formula is designed to deliver moisturizing ingredients 10 layers deep into the skin surface. After just 4 weeks, skin's appearance is visibly firmer. The appearance of fine lines and wrinkles are also visibly improved. Non-greasy and fast-absorbing, it's the perfect addition to your everyday beauty routine for hydration to achieve firmer, younger-looking skin.